Re: [Mingw-users] iostream in dll ?

[Mike M. <mc...@ms...>]

Here is the command line (I believe)... I think it compiles fine, fails in 
the linking. But the linking doesn't even show the libstdc++.a being 
included, even though it is included in the option box where it should be.  
If I uncheck the "Create a DLL" project option, then it puts the "-lstdc++" 
option in the link line, but not if "Create a DLL" is checked.  I tried 
doing it from the command line, however, DOS doesn't let me run that long of 
a command... Ugh.

This is sounding more like an IDE issue, isn't it ?

Thanks,
Mike


Compiling files :
C:\OPENGL\DEV-C_~1\BIN\gcc -c -DBUILDING_DLL=1 -I. "c:\opengl\using a 
dll\printdll\print.cpp"  -s -mwindows   -IC:\OPENGL\DEV-C_~1\INCLUDE\ 
-IC:\OPENGL\DEV-C_~1\INCLUDE\G__~1 -IC:\OPENGL\DEV-C_~1\INCLUDE\ 
-LC:\OPENGL\DEV-C_~1\LIB\ -BC:\OPENGL\DEV-C_~1\BIN\
Linking files :
C:\OPENGL\DEV-C_~1\BIN\dllwrap --export-all --output-def 
C:\OPENGL\USINGA~1\PRINTDLL\dll.def --implib 
"C:\OPENGL\USINGA~1\PRINTDLL\libPrintdll.a" -o 
c:\opengl\usinga~1\printdll\Printdll.dll "c:\opengl\using a 
dll\printdll\print.o"





>From: Jose Fonseca <j_r...@ya...>
>To: Mike McCue <mc...@ms...>
>CC: min...@li...
>Subject: Re: [Mingw-users] iostream in dll ?
>Date: 30 Nov 2001 16:03:41 +0000
>
>Hi,
>
>Perhaps your are putting the libstdc++.a before the objects files. It
>must be after.
>
>It would help greatly if you could provide us the command line for the
>linking that Dev-C++ generates or if you tried to make the dll yourself
>in the command line so that we can get more hints of the source of the
>problem.
>
>Regards,
>
>Jose Fonseca
>
>On Fri, 2001-11-30 at 14:48, Mike McCue wrote:
> > For the most part, I have my dll journey figured out.  I finally can get 
>a
> > DLL to compile, and have figured out how to use it in a project, which 
>all
> > works well.  The final problem I am having is that I cannot use iostream 
>in
> > the dll.
> >
> > I include iostream and try to use cout, and I get undefined reference
> > errors.  It was suggested that I link to libstdc++.a, which I did, and I
> > still get these errors.  I changed the include to stdio.h and used 
>printf
> > and everything worked fine, I just can't figure this out.
> >
> > Anyone have any idea what I'm doing wrong ?
> >
> > Thanks,
> > Mike
> >
>
>


_________________________________________________________________
Get your FREE download of MSN Explorer at http://explorer.msn.com/intl.asp